CN209638489U - A kind of ball valve shell - Google Patents
A kind of ball valve shell Download PDFInfo
- Publication number
- CN209638489U CN209638489U CN201920081090.XU CN201920081090U CN209638489U CN 209638489 U CN209638489 U CN 209638489U CN 201920081090 U CN201920081090 U CN 201920081090U CN 209638489 U CN209638489 U CN 209638489U
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- China
- Prior art keywords
- annulus
- valve seat
- groove
- annular groove
- ball
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Abstract
The utility model discloses a kind of ball valve shells, it is related to a kind of technical field of ball valve, its drip irrigation device includes valve seat, spherical groove is offered on the valve seat, one end far from spherical shape channel opening on the valve seat offers the second fixation hole of connection spherical groove, and the valve rod hole of connection spherical groove is offered on the valve seat, is fixedly connected with the first fixed disk on the valve seat, the first fixation hole is circumferentially offered in the fixed disk, rotation has connector in first fixation hole；One end far from spherical shape channel opening in first fixation hole offers the first annular groove, the connector includes the locating part of the annulus being rotationally connected in the first annular groove, the second bolt connecting with annulus screw thread and limitation annulus rotation, and the utility model has the technical effect for preventing bolt from losing.
Description
Technical field
The utility model relates to a kind of technical fields of ball valve, and more specifically it is related to a kind of ball valve shell.
Background technique
Ball valve, including valve seat, valve deck, spool, valve rod and handle composition, by offering fixation on valve seat and valve deck
Fixation hole on valve seat is aligned by hole with the fixation hole on valve deck, and is attached valve seat and valve deck by bolt, nut.
Spool is driven by valve rod, and the valve to rotate around ball valve axis.Ball valve is widely used in petroleum refining, long defeated pipe
The industries such as line, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel.
Currently, existing valve seat needs to be attached valve seat and valve deck by screw thread and nut, but needing to tear open
When reinstalling after point valve seat and valve deck, the bolt disassembled is easy can not find again, it is therefore desirable to which one kind prevents bolt from losing
Valve seat.
Utility model content
In view of the deficienciess of the prior art, having prevents bolt from losing the utility model lies in that providing a kind of ball valve shell
The technical effect of mistake.
To achieve the above object, the utility model provides following technical solution: a kind of ball valve shell, including valve seat, institute
It states and offers spherical groove on valve seat, one end far from spherical shape channel opening on the valve seat offers the second of connection spherical groove and fixes
Hole offers the valve rod hole of connection spherical groove on the valve seat, is fixedly connected with the first fixed disk, the fixation on the valve seat
The first fixation hole is circumferentially offered on disk, rotation has connector in first fixation hole；It is separate in first fixation hole
One end of spherical channel opening offers the first annular groove, and the connector includes the annulus being rotationally connected in the first annular groove and circle
The locating part of the second bolt and limitation annulus rotation that ring is threadedly coupled.
By using above-mentioned technical proposal, valve seat and valve deck are attached, annulus rotation is limited by locating part, then drive
Dynamic second bolt passes through the hole on valve deck, and the second bolt is arranged nut, realizes the connection of valve seat and valve deck；It is needing to split valve
After seat is with valve deck, the bolt disassembled is easy can not find, but when reinstalling valve seat and valve deck, does not need user in addition
Bolt is looked for, there is the valve seat for preventing bolt from losing.
The utility model is further arranged to: the threaded hole of the first annular groove of connection, the limit are offered on the valve seat
Part includes the first threaded rod being threadedly connected in threaded hole.
By using above-mentioned technical proposal, drives the first threaded rod that the first threaded rod can be made to enter annular groove and supported with annulus
It connects, so that annulus is not able to rotate.
The utility model is further arranged to: first threaded rod is fixedly connected with handle far from one end of the first annular groove
Hand.
By using above-mentioned technical proposal, have the effect of making one to facilitate driving the first threaded rod rotation.
The utility model is further arranged to: first threaded rod is fixedly connected with rubber layer close to one end of annulus.
By using above-mentioned technical proposal, the frictional force between annulus can be increased, so that annulus is not easy to rotate.
The utility model is further arranged to: the first annular groove inner surface offers the second annular groove, and described first is fixed
One end on disk far from spherical groove offers the sliding slot of the second annular groove of connection, and the annulus outer surface is circumferentially fixedly connected with
Determine block, the fixed block is slidedly arranged on sliding slot.
By using above-mentioned technical proposal, the position of annulus can be limited, there is position-limiting action；When fixed block and the first spiral shell
When rasp bar abuts, it can prevent annulus from rotating；Simultaneously when the frictional force of annulus and the first threaded rod is inadequate, the second bolt be will drive
When annulus rotates, the rotation of annulus is limited.
The utility model is further arranged to: having the sealing block of the first annular groove of insertion on second bolt.
By using above-mentioned technical proposal, sealing function is played, annulus can be placed and be detached from the first annular groove, while can be to prevent
Only foreign matter enters the first belt and cylinder rotation is impacted.
The utility model is further arranged to: half ball groove is offered towards one end of annulus on the sealing block, described half
Ball is provided in ball groove；When sealing block is embedded into the first annular groove, ball is abutted with annulus.
By using above-mentioned technical proposal, there is the contact area for reducing sealing block and annulus, annulus is made by ball
Rotation is easier.
The utility model is further arranged to: one end that the valve seat offers spherical groove offers seal groove.
By using above-mentioned technical proposal, sealing ring can be placed in sealing ring, when valve seat is connect with valve deck, had
Better seal effect.
In conclusion being limited by locating part the utility model has the following beneficial effects: being attached valve seat and valve deck
The rotation of rounding ring, then by the second screw bolt and nut, realize the connection of valve seat and valve deck；After needing to split valve seat and valve deck,
Second bolt is also connect with valve seat, when reinstalling valve seat and valve deck, is not needed user and is in addition being looked for bolt, is had anti-
The only valve seat that bolt is lost.
Detailed description of the invention
Fig. 1 is the present embodiment overall structure diagram；
Fig. 2 is the partial sectional view that the present embodiment highlights locating part；
Fig. 3 is confined explosion's schematic diagram that the present embodiment highlights the first annular groove.
Appended drawing reference: 1, valve seat；2, spherical groove；3, the second fixation hole；4, valve rod hole；5, the first fixed disk；6, first is solid
Determine hole；7, the first annular groove；8, connector；9, annulus；10, the second bolt；11, locating part；12, the second annular groove；13, sliding slot；14,
Fixed block；15, threaded hole；16, the first threaded rod；17, handle；18, rubber layer；19, sealing block；20, half ball groove；21, ball；
22, seal groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Present embodiment discloses a kind of ball valve shells, as depicted in figs. 1 and 2, including valve seat 1, offer spherical shape on valve seat 1
Slot 2, the one end being open on valve seat 1 far from spherical groove 2 offer the second fixation hole 3 of connection spherical groove 2, offer on valve seat 1
It is connected to the valve rod hole 4 of spherical groove 2, is fixedly connected with the first fixed disk 5 on valve seat 1, circumferentially opens up that there are six the in fixed disk
One fixation hole 6, the one end being open in 6 first fixation holes 6 far from spherical groove 2 offer the first annular groove 7, six the first annular grooves 7
Inside rotation has connector 8.Connector 8 includes the annulus 9 being rotationally connected in the first annular groove 7, be threadedly coupled with annulus 9 the
The locating part 11 that two bolts 10 and limitation annulus 9 rotate.
As shown in Figure 1, Figure 2 and Figure 3,7 inner surface of the first annular groove offers the second annular groove 12, separate in the first fixed disk 5
One end of spherical groove 2 offers two sliding slots 13 of the second annular groove 12 of connection, and two sliding slots 13 are oppositely arranged, 9 outer surface of annulus
Two fixed blocks 14 being embedded into the second annular groove 12 are circumferentially fixedly connected with, two fixed blocks 14 are slidedly arranged on two sliding slots 13 respectively
It is interior.Two fixed blocks 14 can be embedded into two sliding slots 13 by user, and enter second along the axis direction of sliding slot 13 and slide
In slot 13, there is position-limiting action.
As shown in Figure 1, Figure 2 and Figure 3, the threaded hole 15 of the first annular groove 7 of connection is offered on valve seat 1, locating part 11 includes
The first threaded rod 16 being threadedly connected in threaded hole 15, the first threaded rod 16 are fixedly connected with far from one end of the first annular groove 7
Handle 17, the first threaded rod 16 are fixedly connected with rubber layer 18 close to one end of annulus 9.User can be with by driving handle 17
It protrudes into the first threaded rod 16 in second annular groove 12, and is abutted by rubber layer 18 with circular groove, increase the first threaded rod 16 and circle
Frictional force between ring 9, to limit the rotation of annulus 9.In addition, fixed block 14 and the abutting of the first threaded rod 16 can limit
The rotation of annulus 9.
As shown in Figures 2 and 3, there is the sealing block 19 of the first annular groove 7 of insertion on the second bolt 10, direction circle on sealing block 19
One end of ring 9 is circumferentially opened up there are four half ball groove 20, is provided with ball 21 in four and half ball grooves 20.When sealing block 19 is embedded into
When in the first annular groove 7, four balls 21 are abutted with annulus 9.But ball 21 equally rotates when annulus 9 rotates, so that annulus 9 rotates
It is more easier.
As depicted in figs. 1 and 2, one end that valve seat 1 offers spherical groove 2 offers seal groove 22, can be in sealing ring
The sealing effect between valve seat 1 and valve deck can be increased when valve seat 1 is connect with valve deck by placing sealing ring.
Working principle: one end that valve seat 1 offers spherical groove 2 is bonded with valve deck, and driving handle 17 makes the first screw thread
It enters in the second annular groove 12, annulus 9 is abutted and limits the rotation of annulus 9, then the second bolt 10 is driven to pass through valve deck
On hole realize the connection of valve seat 1 and valve body and by nut.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of ball valve shell, including valve seat (1), it is characterised in that: offer spherical groove (2), the valve on the valve seat (1)
One end far from spherical groove (2) opening on seat (1) offers the second fixation hole (3) of connection spherical groove (2), the valve seat (1)
On offer the valve rod hole (4) of connection spherical groove (2), be fixedly connected with the first fixed disk (5) on the valve seat (1), it is described solid
It is offered on price fixing the first fixation hole (6), rotation has connector (8) in first fixation hole (6)；First fixation hole
(6) one end far from spherical groove (2) opening in offers the first annular groove (7), and the connector (8) includes being rotationally connected with first
Annulus (9), the second bolt (10) being threadedly coupled with annulus (9) in annular groove (7) and the locating part of limitation annulus (9) rotation
(11)。
2. a kind of ball valve shell according to claim 1, it is characterised in that: offer connection first on the valve seat (1)
The threaded hole (15) of annular groove (7), the locating part (11) include the first threaded rod (16) being threadedly connected in threaded hole (15).
3. a kind of ball valve shell according to claim 2, it is characterised in that: first threaded rod (16) is far from the first ring
One end of slot (7) is fixedly connected with handle (17).
4. a kind of ball valve shell according to claim 2, it is characterised in that: first threaded rod (16) is close to annulus
(9) one end is fixedly connected with rubber layer (18).
5. a kind of ball valve shell according to claim 1, it is characterised in that: the first annular groove (7) inner surface offers
Second annular groove (12), one end on first fixation hole (6) far from spherical groove (2) offer the cunning of connection the second annular groove (12)
Slot (13), annulus (9) outer surface are circumferentially fixedly connected with fixed block (14).
6. a kind of ball valve shell according to claim 5, it is characterised in that: be arranged with insertion on second bolt (10)
The sealing block (19) of first annular groove (7).
7. a kind of ball valve shell according to claim 6, it is characterised in that: towards annulus (9) on the sealing block (19)
One end offer half ball groove (20), is provided with ball (21) in half ball groove (20)；When sealing block (19) is embedded into first
When annular groove (7) is interior, ball (21) is abutted with annulus (9).
8. a kind of ball valve shell according to claim 1, it is characterised in that: the valve seat (1) offers spherical groove (2)
One end offers seal groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081090.XU CN209638489U (en) | 2019-01-17 | 2019-01-17 | A kind of ball valve shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081090.XU CN209638489U (en) | 2019-01-17 | 2019-01-17 | A kind of ball valve shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209638489U true CN209638489U (en) | 2019-11-15 |
Family
ID=68478247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920081090.XU Active CN209638489U (en) | 2019-01-17 | 2019-01-17 | A kind of ball valve shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209638489U (en) |
-
2019
- 2019-01-17 CN CN201920081090.XU patent/CN209638489U/en active Active
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| GR01 | Patent grant |